diff --git a/flashchips.c b/flashchips.c
index 0c3bb68..5f5ffdf 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -6866,6 +6866,46 @@
 
 	{
 		.vendor		= "Macronix",
+		.name		= "MX25U12835F",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= MACRONIX_ID,
+		.model_id	= MACRONIX_MX25U12835E,
+		.total_size	= 16384,
+		.page_size	= 256,
+		/* OTP: 512B total; enter 0xB1, exit 0xC1 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 4096} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 512} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 256} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {16 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {16 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		/* TODO: security register */
+		.printlock	= spi_prettyprint_status_register_bp3_srwd, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256, /* Multi I/O supported */
+		.read		= spi_chip_read, /* Fast read (0x0B) and multi I/O supported */
+		.voltage	= {1650, 2000},
+	},
+
+	{
+		.vendor		= "Macronix",
 		.name		= "MX29F001B",
 		.bustype	= BUS_PARALLEL,
 		.manufacture_id	= MACRONIX_ID,